NHTSA ID Number: 11018429
Manufacturer Communication Number: PIT6369A
TSB/Document Date: 2025-05-19
Summary
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.?
Bulletin No.: PIT6369A
Published date: 05/6/2025
Preliminary Information
PIT6369A Image Processing Module/Video Processing GEN2 Module
Reset Instructions
Models
Brand:
BrightDrop
Buick
Buick
Cadillac
Cadillac
Cadillac
Cadillac
Chevrolet
Chevrolet
Chevrolet
Chevrolet
GMC
GMC
GMC
GMC
GMC
Model:
Model Years:
Zevo 600
2024
Envision
2021
Envision Plus
2022
CT4
2021
CT5
2021
Escalade
2021
Escalade ESV
2021
Corvette
2023
Silverado
2022
Suburban
2022
Tahoe
2022
Hummer EV Pickup 2022
Hummer EV SUV 2024
Sierra
2022
Yukon
2022
Yukon XL
2022
-
2023
2023
2025
2024
2024
2024
2025
2023
2024
2025
2025
2025
2023
2024
2024
VIN:
Engine: Transmissions:
from to
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
All
All All
All
United States, Canada, Mexico, Europe, Kazakhstan, Uzbekistan, Russia,
Middle East, Iraq, Israel, Palestine, Argentina (Mercosur), Brazil
Involved Region
(Mercosur), Chile (West), Colombia (West), Ecuador (West), Japan,
or Country
Cadillac Korea (South Korea), Thailand (ASEAN), Singapore, Phiippines,
Australia/New Zealand, Caribbean, China
Additional
RPO's
TRG, UKL, UV2 and UXP
Some customers may comment on a condition present when shifting to
Reverse gear on the Radio Display where a black screen with a triangle
and a camera with a slash through it is displayed.
In addition, it may not be possible to launch the camera app from the
Radio home screen.
Condition
Note: This PI only will apply to GEN2 Modules. Please make sure you are
looking at the correct Model and Year of the vehicle that is being
diagnosed.
The DTC's iisted below may be set as current:
Cause
This maybe due to software anomalies that maybe corrected by a reset
of the module.
DTC
Set By
U023C CGM,
SYM00 EBCM
DTC Description
Loss of Communication with VPM
B1A62
Rear Vision Camera Alive Sequence
CSM/Radio
SYM82
Counter Incorrect
B1A62
CSM/Radio Rear Vision Camera Signal Invalid
SYM86
B1A62
VPM
SYM46
Rear Vision Camera – Calibration /
Parameter Memory Failure
B1A62
VPM
SYM49
Rear Vision Camera - Internal Electronic
Failure
B1A62
VPM
SYM54
Rear Vision Camera - Missing Calibration
B1A62
VPM
SYM55
Rear Vision Camera - Not Configured
B1A62
VPM
SYM92
Rear Vision Camera - Performance or
Incorrect Operation
B1A62
VPM
SYM98
Rear Vision Camera - Component or
System Over Temperature
B1A9B
VPM
SYM00
Rear Vision Camera - Temperature Below
Threshold
B1594
VPM
SYM11
Rear Vision Camera Low Voltage
Differential Signaling LVDS Coaxial Signal
- Circuit Short To Ground
B1594
VPM
SYM12
Rear Vision Camera Low Voltage
Differential Signaling LVDS Coaxial Signal
- Circuit Short To Battery
B1594
VPM
SYM13
Rear Vision Camera Low Voltage
Differential Signaling LVDS Coaxial Signal
- Circuit Open
B1594
VPM
SYM29
Rear Vision Camera Low Voltage
Differential Signaling LVDS Coaxial Signal
- Signal Invalid
B1594
VPM
SYM82
Rear Vision Camera Low Voltage
Differential Signaling LVDS Coaxial Signal
- Alive / Sequence Counter Incorrect / Not
Updated
Correction:
Shift to Reverse and verify RVC status. If the screen below appears, start with Step 1.
1. If U023C SYM00 is set as Current by the CGM or EBCM, then check if Warranty Labor
Code 3459852 has previously been performed on this vehicle.
a. If this is a repeat visit for the same concern, Replace the VPM (Refer to SI
Document: Video Processing Module Replacement).
b. If this is the first visit for this concern, refer to the chart below and perform fuse
reset(s) based on option codes vehicle is equipped with.
Option code vehicle is
equipped with
Module
Action needed to
perform system reset
IVE and UV2 without
UKL
A11 Radio
Refer to PIC6540 Radio
reset instructions
IVE with UKL
A11 Radio
Refer to PIC6540 Radio
reset instructions
K124 Image
Remove and reinstall
Processing Module fuse to K124 Image
processing module.
Refer to SI diagnostics
for specific vehicle
application
IVD with UKL
K124 Image
Remove and reinstall
Processing Module fuse to K124 Image
processing module.
Refer to SI diagnostics
for specific vehicle
application
IVD and UV2 or UXP
without UKL
K157 Video
Remove and reinstall
processing module fuse to K157 Video
processing module.
Refer to SI diagnostics
for specific vehicle
application
UV2 or UXP without
IVD or IVE
K157 Video
Remove and reinstall
processing module fuse to K157 Video
processing module.
Refer to SI diagnostics
for specific vehicle
application
c. After fuse pull, perform a 3-minute sleep cycle and then recheck for DTCs
i. If U023C is now in History, Shift to Reverse and verify RVC function.
1. Clear DTCs and all ok.
ii. If U023C is still Current, diagnose Power/CAN cable to VPM (Refer to SI Document for
U023C) and then recheck DTCs
1. If U023C is now history, Shift to Reverse and verify RVC function.
a. Clear DTCs and all ok.
2. If U023C is still Current, Replace the VPM ( Refer to SI Document; Video Processing
Module Replacement)
1. If B1A62 82 86 are set as Current by CSM/Radio, check for software updates of the
applicable module(s) based on option codes vehicle is equipped with.
a. After software update and 3 minute sleep cycle, recheck DTCs
i. If B1A62 82 86 are now in History, Shift to Reverse and verify RVC.
1.Clear DTCs, Road test vehicle (under the conditions for setting the DTC),shift
to Reverse, verify RVC.
2.Check DTCs
a.If DTC returns, replace the coax cable between Radio and VPM.
b. If DTC does not return, all ok.
ii. If B1A62 82 86 are still Current, check coax cable with Fakra tool (Refer to SI
document # for B1A62).
2.If B1A62 46 49 54 55 92 98/ B1A9B 00/ B1594 11 12 13 29 82 are set as Current by VPM,
check for software updates of the applicable module(s) based on option codes vehicle is
equipped with.
a. After software update and 3 minute sleep cycle, recheck DTCs
i. If B1A62/ B1A9B/ B1594 are now in History, Shift to Reverse and verify RVC.
3. Clear DTCs, Road test vehicle (under the conditions for setting the DTC),shift
to Reverse, verify RVC.
4. If DTC does not return, all ok.
i. If B1A62/ B1A9B/ B1594 are still Current, check coax cable between Rear Camera
and VPM with Fakra tool
1. If coax cable is ok, replace the Rear Camera.
2. If coax cable is not ok, replace the coax cable between Rear Camera and VPM.
3. If DTC does not return, all ok.
Warranty Information
For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty
coverage), use the following labor operation. Reference the Applicable Warranties section
of Investigate Vehicle History (IVH) for coverage information.
Labor Operation
Description
Labor Time
3480178*
K124 Image Processing Module Reset
0.5 Hr.
3480328*
K157 Video Processing Module Reset
0.5 Hr.
Additional SI Keywords
U023C, B1A62, B1596, Black Screen
Version History
Version
2
Modified
04/17/2025 - Created.
05/06/2025 - Updated to remove DTC B1596 from keyword
list.
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TSB/Document ID: PIT6369A
Replacement Service Bulletin Number:
MFR Communication Date: 2025-05-06
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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